Samsung AR09RXPXBWKNEU, Service Manual, Page: 3 / 128

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Contents
9. Operating Instructions 90
9-1 Name of Each Part 90
9-2 Wireless Remote Control-Buttons and Display 91
10. Troubleshootin 92
10-1 Items to be checked First 92
10-2 Communication Error 93
10-2-1 Communication Error 93
10-2-2 Indoor temperature sensor Error 94
10-2-3 Indoor fan motor speed detecting error (BLDC fan) 95
10-2-4 Outdoor temperature sensor error 96
10-2-5 Outdoor Cond temperature sensor error 97
10-2-6 Outdoor Discharge temperature sensor error 98
10-2-7 Operation condition secession error 99
10-2-8 EEPROM error/OTP error 100
10-2-9 Outdoor Fan motor error 101
10-2-10 Compressor starting error 102
10-2-11 Compressor wire missing error/rotation error 103
10-2-12 Current sensor error/Input current sensor error 104
10-2-13 O.C(Over Current) error 105
10-2-14 No power outdoor (Initial Diagnosis) (Not displayed) 107
10-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate 108
10-2-16 When the remote control is not receiving 109
10-2-17 Smart Install error 110
10-2-18 Outdoor OLP over temperature error (One way Inverter Only) 111
11. Block Diagram 112
11-1 Indoor unit 112
11-2 Outdoor unit 113
12. Reference Sheet 116
12-1 Low Refrigerant Pressure Distribution 116
12-2 Pressure & Capacity mark 116
12-3 Q & A for Non-trouble 117
12-4 Cleaning /Filter Change 120
12-5 Installation 123
12-6 Installation Diagram of Indoor Unit and Outdoor Unit 124
12-7 Reference sheet 126